What is the constant of proportionality?

X = 3 and y = 12

X = 10 and y = 40

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily

Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,(a)express y in terms of .x,(b)find the value of y when x = 3,(c)find the value of x when y = 5.